iPadOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2019-03-11T17:09:35Z. The update package is 785.02 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 254c1451b74cc13b0664f703f20bd2d6c140f8b1.zip.